Power Package 129" engine performance kit

Converts an oil-cooled M8 107" into a 129" without the need to machine the sump
Big bore cylinders with matching camshaft, cam plate and oil pump
Independent recovery sections for the crankcase and camshaft housing
Magnet in the cam cover to prevent debris from entering the oil pump
Equipped with high-performance single-wire conical valve springs from S&S.
Original engine serial numbers are retained
Removable drain plugs for maintenance
Debris filter on both suction ports
MLS cylinder head gaskets (multi-layer steel)
550 cam adjusted for maximum performance
Compatible with the original sump
Manufactured in the USA
The kit includes cam plate, 550G camshaft kit, Quickee pushrod kit with gloss black caps, Tappet Cuffs tappet guide, spring kit, big bore cylinder kit, oil-cooled oil pump and hydraulic tappet set.



Specifications


Brand
S&S CYCLE


Supplier reference
310-1228


Features
Black push tubes


Engine capacity
129"


Base colour
Black


Colour/finish
Black, non-ribbed fins


Cylinder Dimensions
4,320"


Style
Big Bore


Stroke length
4,375"


Model
Power Package


Product name
Performance Kit


Cooling system
Oil-cooled


Type
Engine


Distribution type
Equipment


Units
Kit